Learn more

QIAO XIHAI

Overview
  • Total Patents
    13
About

QIAO XIHAI has a total of 13 patent applications. Its first patent ever was published in 1995. It filed its patents most often in China. Its main competitors in its focus markets environmental technology and materials and metallurgy are TOKYOTO GESUIDO SERVICE KK, JAROSLAVSKIJ GTU and ANHUI KUNLONG BUILDING MATERIALS CO LTD.

Patent filings in countries

World map showing QIAO XIHAIs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing QIAO XIHAIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Qiao Xihai 13
#2 Yang Fengxia 1

Latest patents

Publication Filing date Title
CN1613762A Method for preparing molecular sieve by alkaline slag and potash feldspar
CN1485277A Method for preparing iron oxide from potassium-containing rock
CN1371768A Dry method for alkaline residue
CN1341560A Method for preparing subnanolevel ultrafine calcium carbonate by using caustic sludge
CN1325767A Method for preparing engineering earth from alkali dregs
CN1321610A Method for preparing potassium chloride from adkaline residue and potassium-containing rock
CN1298838A Process for preparing potassium chloride from alkali dregs and rock containing potassium
CN1261601A Process for producing potassium chloride from alkaline slag and potassium feldspar
CN1196292A Operating method for making engineering soil using storing caustic sludge
CN1193000A Method of discharging alkaline dregs to make engineering soil
CN1182646A Method for making silicified basic slag soil
CN1191207A Method for producing earth for works from flyash and alkali residue
CN1139025A Dry process processing caustic sludge to produce earth for earthwork